Suncor Energy Inc 6-K, filed Apr 28, 2021

FORM 6-K

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

Report of Foreign Private Issuer

Pursuant to Rule 13a - 16 or 15d - 16 of

the Securities Exchange Act of 1934

SUNCOR ENERGY INC.

(Name of registrant)

150 – 6th Avenue S.W.

P.O. Box****2844

Calgary**,Alberta**

Canada**,T2P 3E3**

Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F:

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(1): ¨

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(7): ¨

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

EXHIBIT INDEX

Exhibit 99.1

FOR IMMEDIATE RELEASE

Suncor Energy to release first quarter2021 financial results, and hold Annual Meeting of shareholders and Investor Day

Calgary, Alberta (Apr. 27, 2021)– Suncor will release its first quarter financial results on May 3, 2020 before 8:00 p.m. MT (10:00 p.m. ET).

A webcast to review the first quarter will be held on May 4 at 7:30 a.m. MT (9:30 a.m. ET). Representing management will be Mark Little, president and chief executive officer and Alister Cowan, chief financial officer. A question and answer period with analysts will follow brief remarks from management. Trevor Bell, vice president, Investor Relations will host the call.

Please note, telephone lines are limited and reserved for those who intend to ask a question.

To participate in the teleconference:

To participate in the conference via webcast or to view the archive, go to suncor.com/webcasts.

Annual Meeting

Suncor will host its Annual Meeting online at 10:30 a.m. MT (12:30 p.m. ET) on May 4, 2020. To participate in the meeting, shareholders will need access to the internet for the full duration of the meeting. Visit https://web.lumiagm.com/?fromUrl=400990259 to participate in the meeting. Detailed instructions for shareholders to participate in the meeting are provided in Suncor’s virtual user guide available at https://www.suncor.com/en-ca/investor-centre/presentations-and-key-dates.The event will be archived for 90 days.

Investor Day

Suncor will host an Investor Day online at 8:00 a.m. MT (10:00 a.m. ET) on May 26, 2021. Participants will need access to the internet for the full duration of the meeting. The event will consist of two hours of presentations, followed by a one-hour question and answer period. To register for the event, visit this link or visit https://www.suncor.com/en-ca/investor-centre/presentations-and-key-dates. The event will be archived for 90 days.

Suncor Energy is Canada's leading integratedenergy company. Suncor's operations include oil sands development and upgrading, offshore oil and gas production, petroleum refining,and product marketing under the Petro-Canada brand. A member of Dow Jones Sustainability indexes, FTSE4Good and CDP, Suncor is workingto responsibly develop petroleum resources while also growing a renewable energy portfolio. Suncor is listed on the UN Global Compact100 stock index. Suncor's common shares (symbol: SU) are listed on the Toronto and New York stock exchanges.

For more information about Suncor, visit our web site at suncor.com, follow us on Twitter @Suncor or Living our Purpose.

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